<template>
  <div>
    
    <!-- 面包屑区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card class="box-card">
        <div>
            <!-- 用户搜索区域 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addUserFormVisible=true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 表格区域 -->
            <el-table
                :data="usreList"
                style="width: 100%"
                border
                stripe
                >
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column
                    prop="username"
                    label="姓名"
                    width="180">
                </el-table-column>
                <el-table-column
                    prop="email"
                    label="邮箱"
                    width="180">
                </el-table-column>
                <el-table-column
                    prop="mobile"
                    label="电话">
                </el-table-column>
                <el-table-column
                    prop="role_name"
                    label="角色">
                </el-table-column>
                <el-table-column
                    label="状态">
                    <template v-slot="scope">
                        <el-switch
                            v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template v-slot="scope">
                        <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
                        <!-- 角色分配按钮 -->
                        <el-tooltip effect="dark" content="角色分配" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                        </el-tooltip>

                    </template>
                </el-table-column>
            </el-table>
            <!-- 页码区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 2, 5, 10]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>
        </div>
    </el-card>

    <!-- 添加用户表单 -->
    <el-dialog title="添加用户" :visible.sync="addUserFormVisible" width="50%" @close="resetAdd">
        <!-- 内容主体区 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addRormRef"  label-width="70px">
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <div slot="footer" class="dialog-footer">
            <el-button @click="addUserFormVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
        </div>
    </el-dialog>

<!-- 修改用户信息 -->
    <el-dialog
        title="修改用户信息"
        :visible.sync="editDialogVisible"
        width="50%"
        @close="editDialogClosed"
        >
        <el-form :model="editForm" :rules="addFormRules" ref="editFormRef" label-width="70px">
            <el-form-item label="用户名">
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机号" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
            
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
    </el-dialog>

    <!-- 分配角色的对话框 -->
    <el-dialog
        title="分配角色"
        :visible.sync="setRoledialogVisible"
        width="50%"
        @close="setDialogClosed"
        >
        <div>
            <p>当前的用户：{{userInfo.username}}</p>
            <p>当前的角色：{{userInfo.role_name}}</p>
            <p>分配新角色：
                <el-select v-model="selectRoleId" placeholder="请选择新角色">
                    <el-option
                    v-for="item in roleList"
                    :key="item.id"
                    :label="item.roleName"
                    :value="item.id">
                    </el-option>
                </el-select>
                </p>
        </div>
        <span slot="footer" class="dialog-footer">
            <el-button @click="setRoledialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="setNewRole">确 定</el-button>
        </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
name:'User',
data() {
    // 验证邮箱的规则
    var checkEmail=(rule,value,cb)=>{
        const regEmail=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
        // const regEmail=/^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
        if(regEmail.test(value)) {
            // 合法的邮箱
            return cb()
        }
        cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的规则
    var checkPhone=(rule,value,cb)=>{
        const regEmail=/^(?:(?:\+|00)86)?1[3-9]\d{9}$/
        if(regEmail.test(value)) {
            // 合法的邮箱
            return cb()
        }
        cb(new Error('请输入合法的手机号'))
    }
    return {
        // 获取用户列表的参数
        queryInfo:{
            query:'',
            pagenum:1,
            pagesize:2
        },
        usreList:[],
        total:0,
        // 添加用户对话框是否可视
        addUserFormVisible:false,
        // 添加用户的表单数据
        addForm:{
            username:'',
            password:'',
            email:'',
            mobile:''
        },
        // 添加用户表单验证规则
        addFormRules:{
            username:[
                { required: true, message: '请输入用户名', trigger: 'blur' },
                { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
            ],
            password:[
                { required: true, message: '请输入密码', trigger: 'blur' },
                { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
            ],
            email:[
                { required: true, message: '请输入邮箱', trigger: 'blur' },
                { validator: checkEmail , trigger: 'blur' }
            ],
            mobile:[
                { required: true, message: '请输入手机号', trigger: 'blur' },
                { validator: checkPhone , trigger: 'blur' }
            ]
        },
        editDialogVisible:false,
        // 查询到的用户信息
        editForm:{},
        setRoledialogVisible:false,
        // 需要被分配角色的用户信息
        userInfo:{},
        // 所有角色的数据列表
        roleList:[],
        // 选中的角色id
        selectRoleId:''
    }
},
created() {
    this.getUserList()
},
methods:{
    async getUserList() {
        const {data:res}=await this.$http.get('users',{params:this.queryInfo})
        // console.log(res);
        if(res.meta.status!==200) return this.$message.error(res.meta.msg)
        this.usreList=res.data.users
        this.total=res.data.total
    },
    // pagesize的改变
    handleSizeChange(val) {
        // console.log(`每页 ${val} 条`);
        this.queryInfo.pagesize=val
        this.getUserList()
      },
    //   当前页码值
      handleCurrentChange(val) {
        // console.log(`当前页: ${val}`);
        this.queryInfo.pagenum=val
        this.getUserList()

      },
    //   修改状态值
     async userStateChange(val) {
        // console.log(val);
        const {data:res}=await this.$http.put(`users/${val.id}/state/${val.mg_state}`)
        // console.log(res);
        if(res.meta.status!==200) {
            val.mg_state=!val.mg_state
            return this.$message.error(res.meta.msg)
        }
        this.$message.success('更新状态成功')
      },
    //   添加用户对话框关闭之后重置表单
      resetAdd() {
        this.$refs.addRormRef.resetFields()
      },
      addUser() {
        this.$refs.addRormRef.validate(async valid=>{
            if(!valid) return
            // 可以发起添加用户的网络请求
            const {data:res}=await this.$http.post('users',this.addForm)
            // console.log(res);
            if(res.meta.status!==201) return this.$message.error('添加用户失败')
            this.$message.success('添加用户成功')
            this.addUserFormVisible = false
            // 重新获取用户列表
            this.getUserList()
        })
       
    },
    // 修改用户信息
    async showEditDialog(id) {
        this.editDialogVisible=true
        // console.log(id);
        const {data:res}=await this.$http.get(`users/${id}`)
        // console.log(res);
        if(res.meta.status!==200) return this.$message.error('查询用户信息失败')
        this.editForm=res.data
    },
    //   修改用户对话框关闭之后重置表单
    editDialogClosed() {
        this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo() {
        this.$refs.editFormRef.validate(async valid=>{
        if(!valid) return
        const {data:res}=await this.$http.put(`users/${this.editForm.id}`,{
            email:this.editForm.email,
            mobile:this.editForm.mobile
        })
        // console.log(res);
        if(res.meta.status!==200) return this.$message.error('修改用户信息失败')
        this.$message.success('修改用户信息成功')
        this.editDialogVisible = false
        this.getUserList()
        })
    },
    // 删除用户
    async deleteUser(id) {
        const comfirmResult=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        // 确认删除confirm
        // 取消删除concel
        // console.log(comfirmResult);
        if(comfirmResult!=='confirm') {
            return this.$message.info('取消了删除')
        }
        const {data:res}=await this.$http.delete('users/'+id)
        if(res.meta.status!==200) return this.$message.error('删除用户信息失败')
        this.$message.success('删除用户信息成功')
        this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole(userInfo) {
        
        this.userInfo=userInfo

        const {data:res}=await this.$http.get('roles')
        if(res.meta.status!=200) return this.$message.error('获取角色列表失败')
        this.roleList=res.data

        this.setRoledialogVisible=true
    },
    async setNewRole() {
        if(!this.selectRoleId) return this.$message.error('请选择要分配的角色')
        const {data:res}=await this.$http.put('users/'+this.userInfo.id+'/role',{rid:this.selectRoleId})
        if(res.meta.status!==200) return this.$message.error('分配角色失败')
        this.$message.success('分配新角色成功')
        this.getUserList()
        this.setRoledialogVisible = false
    },
    // 分配角色对话框关闭事件
    setDialogClosed() {
        this.selectRoleId='',
        this.userInfo={}
    }
    
}

}
</script>

<style scoped>

</style>